CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Investments:
Fixed maturities, available for sale, at fair value (Amortized cost 2023: $12,587,327; 2022: $12,176,473 Allowance for expected credit losses 2023: $8,933; 2022: $11,733)	$ 11,723,368	$ 11,326,894
Fixed maturities, held to maturity, at amortized cost (Fair value 2023: $696,639; 2022: $674,743 Allowance for expected credit losses 2023: $nil; 2022: $nil)	712,840	698,351
Equity securities, at fair value (Cost 2023: $561,558; 2022: $494,356)	556,262	485,253
Mortgage loans, held for investment, at fair value (Allowance for expected credit losses 2023: $4,179; 2022: $nil)	610,277	627,437
Other investments, at fair value	954,571	996,751
Equity method investments	162,412	148,288
Short-term investments, at fair value	115,959	70,310
Total investments	14,835,689	14,353,284
Cash and cash equivalents	889,574	751,415
Restricted cash and cash equivalents	377,741	423,238
Accrued interest receivable	99,978	94,418
Insurance and reinsurance premium balances receivable (Allowance for expected credit losses 2023: $14,781; 2022: $9,521)	3,207,444	2,733,464
Reinsurance recoverable on unpaid losses and loss expenses (Allowance for expected credit losses 2023: $34,724; 2022: $30,715)	6,031,527	5,831,172
Reinsurance recoverable on paid losses and loss expenses	594,375	539,676
Deferred acquisition costs	503,617	473,569
Prepaid reinsurance premiums	1,973,378	1,550,370
Receivable for investments sold	17,306	16,052
Goodwill	100,801	100,801
Intangible assets	189,612	197,800
Operating lease right-of-use assets	104,240	92,214
Other assets	547,242	438,338
Total assets	29,472,524	27,595,811
Liabilities
Reserve for losses and loss expenses	15,555,256	15,168,863
Unearned premiums	4,995,785	4,361,447
Insurance and reinsurance balances payable	1,900,188	1,522,764
Debt	1,313,358	1,312,314
Federal Home Loan Bank advances	85,790	81,388
Payable for investments purchased	87,992	19,693
Operating lease liabilities	116,547	102,577
Other liabilities	384,400	386,855
Total liabilities	24,439,316	22,955,901
Shareholders’ equity
Preferred shares	550,000	550,000
Common shares (shares issued 2023: 176,580; 2022: 176,580 shares outstanding 2023: 85,228; 2022: 84,668)	2,206	2,206
Additional paid-in capital	2,375,678	2,366,253
Accumulated other comprehensive income (loss)	(775,439)	(760,300)
Retained earnings	6,628,179	6,247,022
Treasury shares, at cost (2023: 91,352; 2022: 91,912)	(3,747,416)	(3,765,271)
Total shareholders’ equity	5,033,208	4,639,910
Total liabilities and shareholders’ equity	$ 29,472,524	$ 27,595,811